The control module detected an interruption (open circuit) in the DC/AC Converter A High Voltage Power Outlet “C” circuit, so the expected electrical continuity was not present.
TuningBot DTC Database · v4.37.15
B0129 DC/AC Converter A High Voltage Power Outlet “C” Circuit/Open
Generic (OBD-II) interpretation in the TuningBot DTC database.
What B0129 means
Related and nearby codes
How to read B0129
Body: airbags, comfort and cabin systems.
Generic SAE-standard code: same meaning on every make.
Specific fault index within the subsystem.
Frequently asked questions about B0129
What does B0129 mean?
DC/AC Converter A High Voltage Power Outlet “C” Circuit/Open. The control module detected an interruption (open circuit) in the DC/AC Converter A High Voltage Power Outlet “C” circuit, so the expected electrical continuity was not present.
Is B0129 generic or manufacturer-specific?
B0129 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.
Can TuningBot remove B0129 at file level?
Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether B0129 is removable in your case.
Other file services
Understand the system behind this code: Diagnostic Strategy and DTC Logic
